Top 500 most popular keywords

As we can see, the 4 of first 6 positions were occupied by queries related to search engines.
More to say, this statistical keyword analysis showed that different variations
of "google" (for ex., www.google.com, google.co and etc.) have taken 14 positions among top
500 most popular keywords. It resulted in 138,128 unique users, meanwhile, "yahoo" - 72,334 and
"msn" got 11,770 uniques. "Google" has received almost 48% more unique
users than "yahoo" and 91% more than "msn". If we compare "yahoo" with "msn", we will see
that "yahoo" received 84% more unique users.